More info around Service Bus Topic Subscriptions

Thanks for your help around this last week @phatboyg.  Hope this helps repay some of my debt :)

Fixed MassTransit#1367 missing documentation link

Missed one reference, ugh.

Fixed MassTransit#1477 - flag usage for subscription was bad, so sepa…

…rated events into separate messages/publishes.

Working on MassTransit#1461 - setting references to 2.0.0 where possible

More fix, this time with a test to verify two consumers can share the…

… same scope

Updating more documentation

Missed update to legacy transport for fix

Updating NuGet packages

Updated version, fixed misnamed package